baltimore city, howard county and anne arundel county are also hit hard. in total, about 44,000 bge customers are without power right now. >> well, here's more frustrating news for those in the dark. this heat is growing more intense. emergency rooms are starting to fill up with patients who are dehydrated or worse. monique griego has late word on moredeaths linked to this receipt heat wave. >> reporter: another day under a vicious sun, as triple-digit temperatures bear down on baltimore. >> the humidity has made it unbearable. doesn't matter if you're in the shade or in the sun. >> i'm sweating water now. i feel like a walking river right now. >> reporter: people sweating it out in the city, try to refuel, create their own shade, or simply ditch a few layers in an effort to stay cool. >> it's horrible. hot and sweaty is not a good feeling. >> on the way to keep cool. umbrella, fans and water. >> reporter: but when it's in hot, the weather isn't just uncomfortable. it can be dangerous. >> we definitely see people who are dehydrated. >> reporter: dr. michae